Feb 202011
 

If you want to setup a RAID array without having to reinstall Windows, all you need to do is install Intel Storage Matrix and update a few registry keys.

  1. Download and install Intel Storage Matrix.
  2. Modify the key named “Start” in each of these locations to 0
    HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Services\\Msahci
    HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Services\\iaStorV
    More info is available in the Microsoft KB article
  3. Restart your computer and enable AHCI in the BIOS.
    Your computer should restart without any problems. Once you’ve logged in you should see Windows installing drivers for AHCI.
  4. Open regedit again and change Start to 3
    HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\iaStorV
  5. Restart your computer and change your BIOS from AHCI to RAID. Windows should load without any problems and install the RAID drivers without having to reinstall.

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